1. It is a form of matter that has a definite and unchanging chemical composition.
a. Compound
b. Pure substances
c. Elements
d. Mixture
2. It is a pure substance that is made up of only one type of atom.
a. Compound
b. Pure substances
c. Elements
d. Mixture
3. The following are examples of an Elements, except;
a. Hellium (He)
b. Iodine (I)
c. Silver (Ag)
d. Aluminum foil
4. It is defined as anything that occupies space and has mass.
a. Atom
b. Compound
c. Element
d. Matter
5. A substance that cannot be broken down into a simpler form through ordinary chemical means is called a/an ______
a. Atom
b. Compound
c. Element
d. Matter
6. What symbol that derived from English name for Nitrogen?
a. Na
b. Ne
c. N
d. No
7. The symbol of the element gold is?
a. Au
b. Ag
c. Al
d. Ac
8. The following symbols are derived from their Latin Names, except.
a. Au -aurum
b. Na-natrium
c. K—kalium
d. Es-Albert Eisntein
9. What element that are generally hard, ductile and good conductor of electricity and heat?
a. Metals
b. Non-metals
c. Metalloids
d. Silicon
10. What element that are generally gases or solid; not ductile and poor conductor of electricity and heat?
a. Metals
b. Non-metals
c. Metalloids
d. Silicon
11. What element that have some properties of metals and some properties of nonmetals?
a. Metals
b. Non-metals
c. Metalloids
d. Silicon
12. _________ are pure substances that consist of more than one type of atom.
a. Element
b. Compound
c. Homogeneous
d. Heterogeneous
13. T he following are examples of compound, except;
a. Water
b. Copper sulfate
c. Sodium chloride
d. iron
14. It is a type of matter made up of two or more substances that are physically combined?
a. pure substances
b. Mixtures
c. Elements
d. Compound
15. Which is not example of mixture?
a. Baking soda
b. Soil
c. Milk
d. Hot coffee
16. _________ is a homogeneous mixture.
a. Air
b. Beef siomai
c. Chicken mami
d. Milky Way chocolate bar
17. What mixture are made up of more than one phase and can be separated physically?
a. Heterrrogenous
b. Heterogenouse
c. Heterogeneous
d. Hetirogeneous
18. What mixture that is not visible and distinguishable?
a. Homogenous
b. Homogeneous
c. Heterogeneous
d. Heterrogenous
19. Which of the following is not a property of acids? They _______.
a. Taste sour
b. React with limestone
c. React with grease and oil
d. Change blue litmus paper to red in aqueous solution
20. The following are natural Ph indicator except _________.
a. Eggplant skin
b. Mayana leaves
c. Petals of red gumamela
d. phenolphthalein
21. Which of the following is not a property of bases? They _______.
a. Taste bitter
b. Feel slippery
c. Change red litmus paper to blue
d. React with limestone (CaC03), liberating CO2
22. The following are elements except ______.
a. Carbon
b. Magnesium
c. Silicon
d. water
23. It’s an intensive property of matter that indicates how acidic or how basic solution is.
a. acid scale
b. pH scale
c. base scale
d. paper scale
24. ________ are formed by the combination of two or more metals and nonmetals.
a. Copper
b. Alloy
c. Bronze
d. Silver
25. ________ is an extensive property of matter.
a. Color
b. Luster
c. Mass
d. Volume
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Answer:
1.a
2.a
3.b
4.d
5.a
6.c
7.d
8.a
9.b
10.c
Answer:
1.A
2.B
3.D
4.A
5.C
6.C
7.B
8.A
9.D
10.C
11.A
12.B
13.D
14.D
15.C
16.D
17.B
18.A
19.A
20.D
21.D
22.C
23.C
24.A
15.B
Explanation:
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